This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:35 GMT Sat 15 Jul, 2023 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 941673 Prefixes after maximum aggregation (per Origin AS): 350594 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 451351 Number of IPv4 prefixes with a valid ROA: 423226 Number of IPv4 prefixes with an invalid ROA: 1525 Number of IPv4 prefixes with no ROA: 516922 Total ASes present in the Internet Routing Table: 74533 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64252 Origin ASes announcing only one prefix: 25896 Transit ASes present in the Internet Routing Table: 10281 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 78 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1086 Number of instances of unregistered ASNs: 1090 Number of 32-bit ASNs allocated by the RIRs: 42248 Number of 32-bit ASNs visible in the Routing Table: 34790 Prefixes from 32-bit ASNs in the Routing Table: 177952 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 594 Number of addresses announced to Internet: 3054162688 Equivalent to 182 /8s, 10 /16s and 211 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 318425 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242410 Total APNIC prefixes after maximum aggregation: 69155 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 236179 Unique aggregates announced from the APNIC address blocks: 98302 APNIC Region origin ASes present in the Internet Routing Table: 13465 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3972 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8815 Number of APNIC addresses announced to Internet: 773202688 Equivalent to 46 /8s, 22 /16s and 35 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 275734 Total ARIN prefixes after maximum aggregation: 123461 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278395 Unique aggregates announced from the ARIN address blocks: 130810 ARIN Region origin ASes present in the Internet Routing Table: 19092 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 7.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4807 Number of ARIN addresses announced to Internet: 1277837568 Equivalent to 76 /8s, 42 /16s and 65 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 263812 Total RIPE prefixes after maximum aggregation: 122829 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260034 Unique aggregates announced from the RIPE address blocks: 159747 RIPE Region origin ASes present in the Internet Routing Table: 28372 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3795 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11244 Number of RIPE addresses announced to Internet: 716855040 Equivalent to 42 /8s, 186 /16s and 87 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 126525 Total LACNIC prefixes after maximum aggregation: 28502 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 125551 Unique aggregates announced from the LACNIC address blocks: 49477 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 11.40 LACNIC Region origin ASes announcing only one prefix: 2354 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 8.4 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8813 Number of LACNIC addresses announced to Internet: 178468864 Equivalent to 10 /8s, 163 /16s and 56 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 32106 Total AfriNIC prefixes after maximum aggregation: 5910 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 40920 Unique aggregates announced from the AfriNIC address blocks: 12520 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 23.20 AfriNIC Region origin ASes announcing only one prefix: 579 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107453440 Equivalent to 6 /8s, 103 /16s and 156 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3701 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3466 1872 93 VNPT-AS-VN VNPT Corp, VN 7713 3449 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3051 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 587 KIXS-AS-KR Korea Telecom, KR 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8743 10926 3098 AMAZON-02, US 11492 4521 300 615 CABLEONE, US 7155 4165 286 85 VIASAT-SP-BACKBONE, US 22773 3543 3038 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 174 3473 6655 608 COGENT-174, US 749 3142 54962 2394 DNIC-AS-00749, US 16625 3111 1542 2341 AKAMAI-AS, US 367 2742 3745 1313 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4052 3398 157 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2902 2294 913 ROSTELECOM-AS, RU 9009 2655 246 1375 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1835 307 17 UKRTELNET, UA 58224 1824 946 535 TCI, IR 13188 1607 100 26 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11589 3378 594 UNINET, MX 10620 3528 507 839 Telmex Colombia S.A., CO 13999 2404 360 632 Mega Cable, S.A. de C.V., MX 11830 2225 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1103 177 436 Techtel LMDS Comunicaciones Interactiva 26615 1033 2500 47 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 37457 811 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 532 54 43 WANANCHI-, KE 36914 525 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11589 3378 594 UNINET, MX 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8743 10926 3098 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 615 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4165 286 85 VIASAT-SP-BACKBONE, US 20940 4052 3398 157 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9519 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8743 5645 AMAZON-02, US 7545 5681 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4165 4080 VIASAT-SP-BACKBONE, US 11492 4521 3906 CABLEONE, US 20940 4052 3895 AKAMAI-ASN1, NL 7552 3701 3680 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:38 /11:103 /12:296 /13:575 /14:1209 /15:2135 /16:13541 /17:8315 /18:14048 /19:25303 /20:44271 /21:52391 /22:111112 /23:102180 /24:566126 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6387 7299 UNI2-AS, ES 8151 5510 11589 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4521 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3117 4165 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3543 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3528 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2176 2:1351 3:230 4:5 5:4581 6:130 7:6 8:1555 9:1 11:172 12:1517 13:383 14:2314 15:301 16:196 17:373 18:526 20:272 21:4 22:188 23:6354 24:3004 25:4 27:2594 29:19 31:2556 32:83 34:26 35:113 36:1953 37:4718 38:6038 39:830 40:152 41:4405 42:2011 43:2336 44:307 45:17269 46:4434 47:377 49:1764 50:1877 51:586 52:1596 54:397 55:972 56:8 57:129 58:1888 59:1101 60:983 61:2561 62:2756 63:1913 64:5728 65:2338 66:5099 67:3088 68:1347 69:4133 70:1373 71:695 72:3057 74:2656 75:1603 76:614 77:2550 78:1881 79:2978 80:2133 81:1823 82:1512 83:1277 84:1536 85:3035 86:765 87:2106 88:1223 89:3889 90:614 91:7896 92:2045 93:2613 94:3636 95:4071 96:1306 97:337 98:1172 99:735 100:95 101:1316 102:3118 103:31804 104:4580 105:723 106:876 107:2554 108:1087 109:4272 110:2108 111:3129 112:2062 113:1757 114:1650 115:2049 116:1909 117:2566 118:2615 119:1982 120:1789 121:1087 122:2585 123:2164 124:1566 125:2461 128:1477 129:1122 130:1050 131:2068 132:851 133:422 134:1801 135:350 136:890 137:965 138:2683 139:1572 140:1260 141:1302 142:1475 143:1554 144:988 145:342 146:1978 147:1598 148:2443 149:2207 150:897 151:1168 152:1981 153:563 154:4876 155:1364 156:1842 157:1324 158:1085 159:2271 160:2654 161:1557 162:3531 163:1579 164:1650 165:1929 166:1059 167:1723 168:4022 169:966 170:4834 171:893 172:3643 173:2975 174:1088 175:1201 176:3785 177:5413 178:3629 179:2479 180:2460 181:3528 182:3398 183:1980 184:2323 185:20686 186:5061 187:4399 188:4239 189:4013 190:9293 191:1753 192:10927 193:8958 194:7393 195:5223 196:3340 197:2705 198:5971 199:6132 200:8131 201:6037 202:10486 203:10283 204:4578 205:3686 206:4379 207:3478 208:4149 209:4963 210:4284 211:2452 212:4288 213:3626 214:1088 215:59 216:6732 217:2836 218:1293 219:420 220:1746 221:967 222:682 223:2159 End of report